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Topic: Wargentin (crater)

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	ALS Lunar Observers Certificate List of Objects
		Crater chains are generally the result of a string of meteorites which are still gravitationally bound.
		Crater Tycho: One of the youngest complex craters on the moon.
		Crater Wargentin: Unusual crater in that the lava which filled it rose to nearly the rim, which is above the surrounding lunar surface.
	www.lunar-reclamation.org /observation_list.htm (2616 words)

	Pehr Wilhelm Wargentin - Wikipedia, the free encyclopedia
		Wargentin was the son of the vicar of Sunne Wilhelm Wargentin (1670-1735) and his spouse Christina Aroselia, and the great grandson of Joachim Wargentin (1611-1682), a Lübeck-born burgher of Åbo (Turku) in Finland.
		Wargentin became the first director of the Stockholm Observatory founded by the Academy of Sciences on the initiative of his predecessor, Elvius, and completed in 1753.
		Wargentin made studies on the moons of Jupiter and published his first paper on the topic in 1741 in the Acta of the Royal Society of Sciences in Uppsala.
	en.wikipedia.org /wiki/Pehr_Wilhelm_Wargentin (390 words)

	Moon Photo Page
		South of Copernicus is the faint crater Fra Mauro.
		Northwest of the crater Tycho is the Marsh of Diseases!
		The crater Wargentin has the nickname "The Thin Cheese" due to its appearance to a thin block of cheese.
	www.pa.msu.edu /people/frenchj/moon/index2.html (823 words)

	Clear Skies On Demand - an astronomy blog
		Schickard is a large old crater with a diameter of 227kilometres.
		Near the edges of the crater (upper left and lower right) there was some additional lava flooding later on.
		Wargentin indeed is completely filled, probably with volcanic material, and covered with a layer of brighter highland material (again from the Orientale Basin formation).
	www.backyard-astro.com /blog/index.php/weblog/2005_07_012 (357 words)

	nc_204
		On 1 July he observed the crater Walter on the morning terminator, showing a point of light indicating the top few metres of the summit of its central peak.
		Wargentin is a feature that probably started life as most craters do, being gouged out of the lunar crust by an asteroidal impact.
		In Wargentin's case, the subsequent filling with lava - a process that many impact craters have undergone - simply went on for longer than usual, filling the crater right up to its brim.
	website.lineone.net /~petergrego/nc_204.htm (741 words)

	Wargentin (Site not responding. Last check: 2007-10-08)
		Schröter's Law suggests that the ground level inside a crater is lower than that outside it.
		Wargentin (upper left) defies this rule, as the lava which has welled up into it has raised the floor some 1000' above the surrounding landscape, level with the rim for most of its circumference.
		The crater at the centre of the image is Nasmyth, and below it is Phocylides.
	www.inconstantmoon.com /img_warg_ac.htm (84 words)

	Hitchhiker's Guide to Rukl Chart 70 (Site not responding. Last check: 2007-10-08)
		I made a quick visit to Wargentin (inaptly nicknamed "the thin cheese" by some slightly imaginative looney who thought it looked like a round of cheese because through some quirk it's filled to the brim with what is presumed to be lava -- but it really looks more like a manhole cover).
		This is often an idle pass, but tonight (at bare sunrise) Wargentin looked very different to me. There were wrinkles and rilles all over its surface.
		Wargentin was interesting -- it was very apparent how much higher this mare-filled crater was than the craters surrounding it, and how much darker it was.
	www.shallowsky.com /moon/rukl70.html (215 words)

	NexStar 50 Lunar Club Observation Log - Ken Munson
		Crater to the southwest, Cyrillus, appears to be older as it has at least one good impact crater on its floor and the walls appear more eroded, probably from small impacts.
		North crater seems to be slightly oval as do several of the larger impacts in the rim wall.
		Shickard is a big crater to the northwest of Bailly and it has a distinctively dark floor with a band of bright material across the middle.
	www.nexstarsite.com /NS50ClubLogs/MunsonKenLunar.htm (1862 words)

	NexStar 50 Lunar Club Observation Log - Terrance Hannan
		There is a large prominent crater on the N side of Cassini’s floor, and a smaller crater at the SW end of Cassini’s floor.
		Curved chain of craters descending in size and suggesting a spiral is a sight to behold.
		Thebit and crater on its margin and the crater pit on its margin were visible.
	www.nexstarsite.com /NS50ClubLogs/TerranceHannanLunar.htm (3518 words)

	3towers Observatory Lunar 1000 (Site not responding. Last check: 2007-10-08)
		Kant is the crater with the central peak at the bottom of the image.
		West of it is the complex crater Stofler with Faraday overlying its Southwest rim.
		To the East of it is the crater Alphonsus with its dark spots.
	www.3towers.com /3towersObservatoryLunar100.htm (1149 words)

	Nuova pagina 1 (Site not responding. Last check: 2007-10-08)
		Immagine ingrandita in cui si notano piccoli rilievi nel cratere Wargentin.
		Si notano i piccoli rilievi collinari nel centro di Wargentin.
		Are visibles the little hilly reliefs in the centre of Wargentin crater.
	www.rccr.cremona.it /monografie/luna/dwarg.htm (71 words)

	LPOD - 2005-06-16 - Lunar Photo of the Day
		Wargentin is a strong candidate for the title of the Moon’s most peculiar crater because it is so strange.
		Wargentin is one of three close-spaced craters (Nasmyth and Phocylides are the other two) just southwest of Schickard.
		The evidence for volcanism is that Wargentin’s surface is generally smooth but has a crater-wide ridge, strongly reminenscent of wrinkle ridges in maria.
	www.perseus.gr /LPOD/index.htm (330 words)

	Reports (Site not responding. Last check: 2007-10-08)
		Another striking trick of the light was the way the "peace symbol" wrinkle ridges of crater Wargentin (84 km) were flened yet at the same time accented by shadow.
		It was a moderately broad pie-shaped swath of light that illuminated the crater floor, which was almost in total darkness at the time.
		By ~02:30 UT when we quit observing it, the crater was almost totally illuminated except a small swath along the rim.
	www.lunar-occultations.com /rlo/rays/babbager.htm (314 words)

	Beginner's Guide to the Moon
		The large crater Langrenus is prominent south of Mare Crisium.
		In a telescope the crater floor at a low sun angle shows to be slightly convex, not concave as one expects.
		One crater wall was washed down, not by a wave of water, but waves of molten lava.
	ourworld.compuserve.com /homepages/bmoler/moon.htm (999 words)

	Moon Society: Lunar Study and Observing Certificate
		Crater Alphonsus: [article] A large old crater from the Nectarian Period.
		Crater Copernicus: (2) (3) Excellent example of a complex crater from the Copernican Period.
		Crater Tycho:(2) One of the youngest complex craters on the Moon.
	www.moonsociety.org /certificate/certificate.html (3150 words)

	Observation of the MOON - part II
		Crater superimposition is quite a common event in regions with high crater density, namely in the southern highlands, and deserves observation.
		Craters such as these are best seen when close to the terminator, that is with low-angle illumination.
		West of Rupes Recta is crater Birt and, further west, Rima Birt.
	www.astrosurf.com /cidadao/moon_obs_02.htm (416 words)

	What’s Up - 365 Days of Skywatching » 2006 » June
		Once upon a time, it was a very normal crater and remained that way for hundreds of millions of years - then it happened: either an interior fissure opened up, or the impact that originally formed it caused molten lava to seep slowly upward.
		Oddly enough, Wargentin’s walls lacked large enough breaks to allow the lava to escape and it eventually filled the crater to the rim.
		South of that are two conspicuously large craters - Hipparchus to the north and ancient Albategnius to the south.
	www.astrowhatsup.com /2006/06/page/3 (2857 words)

	nayati voice (Site not responding. Last check: 2007-10-08)
		Kamerlingh Onnes (crater) 66 km Heike Kamerlingh Onnes
		Olbers (crater) 74 km Heinrich Wilhelm MatthÄus Olbers
		Tiselius (crater) 53 km Arne Wilhelm Kaurin Tiselius
	nayati4bap.blogspot.com (7203 words)

	Matt Tarlach; Rumker and Wargentin, 5/20/2005 (Site not responding. Last check: 2007-10-08)
		When right at the terminator, it appears that Wargentin is not quite completely filled with lava: shadows of the peaks along its eastern rim are joined by a line of fl shadow that varies from bold to thread-thin, indicating a raised rim that is continuous on the eastern side though very low in places.
		Under low illumination the wrinkle ridges that cross Wargentin's interior appear soft, without crests, and show larger variations in height (as indicated by shadow lengths) than in width.
		A peak near the southern extremity of the crater was the first part of the western rim to catch the light, and seems to rise well above the flooded crater floor.
	observers.org /reports/2005.05.20.3.html (271 words)

	Conquest Of Space (Site not responding. Last check: 2007-10-08)
		Near the rim of the moon there is the crater Wargentin.
		It too would be a normal crater in every respect if it were not for the fact that it is full.
		There is a rill in that area, usually called the Hyginus rill because it runs through the crater Hyginus in the southern portion of the Mare vaporum.
	www.planetarymysteries.com /moon/leyline.html (1300 words)

	Southwest limb (Site not responding. Last check: 2007-10-08)
		First, in the crater Shickard, a Pre-Nectarian ringed plain 227km in diameter (similiar in size to Petavius but much older, more degraded) we see a striped floor, with two dark areas (indicated by "a" in the graphic) adjoining the walls and broken through the center of the floor by a lighter stripe of material.
		It was done primarily through examining the crater halos on the lighter area of the floor and by crater counting.
		This is a similiar mechanism to that which creates the dark halo volcanic craters such as are on the floor of Alphonsus, but on a much larger scale, representing a much greater volume of pyroclasics and ash ejecta.
	www.cityastronomy.com /southwest-limb.htm (948 words)

	Moon Phases New, Full, Waxing, Waning
		Some craters are starting to come into view as the terminator moves across the face of the moon.
		The craters Theophilus, Cyrillus and Catharina are the three big craters on the terminator.
		Craters are formed by meteoric impacts and the rays are formed by the debris blasted out of the crater by the impact.
	www.unexplainable.net /artman/publish/article_2537.shtml (2249 words)

	dettagli lunari (Site not responding. Last check: 2007-10-08)
		In questo cratere possiamo osservare un picco montuoso centrale multiplo e rilievi collinari sparsi nella platea.
		In Gassendi crater is interesting to observe a concentric inside mountainous walls system respect to the main walls of this crater.
		In this images we can observe the Theophilus crater crossed by at least two furrows or difference in level who, crossed this crater from the NE and SE walls, are in sense of direction to the great mountainous central peak.
	www.rccr.cremona.it /monografie/luna/dettagli.htm (6039 words)

	The Full Moon Atlas
		The Moon's rugged southwestern frontier, dominated by wide Crater Schickard (227 km diameter; right of center in the photograph), with meandering Lacus Excellentiae visible towards the upper right corner.
		A trio of large craters — Wargentin, Nasmyth and Phocylides — are clustered south of Schickard.
		Among the larger craters along the Moon's visible edge is Lagrange (160 km), at the top left corner in the photo.
	www.lunarrepublic.com /atlas/sections/g1.shtml (158 words)

	Nasmyth, Wargentin, Schickard, 2001-08-16 (Site not responding. Last check: 2007-10-08)
		Somewhat schematic drawing of the crater Wargentin, flooded nearly to the rim with Mare lava, in late afternoon light, flanked by Nasmyth to the Southeast and the huge Schickard to the North (
		Likewise, the SE corner of Wargentin showed a gentle darkening indicating a slight sloping of the lava surface, and the SE wall had a narrow bright rim.
		No such rim was detectable along the eastern and NE portions of the wall of Wargentin, and neither was there any shadow on the inside of the W wall, indicating that the interior surface indeed reaches the full height of the rim there.
	www.gn-50uma.de /mizar/drawings/2001/drw-20010816-Wargentin.en.shtml (244 words)

	Astronomical Association of Queensland
		The programme includes a variety of craters of different morphology, mare, mountains, fault scarps, wrinkle ridges and rilles (valleys).
		Latitude is given in degrees north or south of the equator (passes through the southern boundary of Mare Tranquillitatis).
		The rays are best observed around full moon as the sunlight strikes the lunar surface at a high angle eliminating shadows and enhancing albedo differences between the rays and the surrounding terrain.
	www.aaq.org.au /lunarobservingprogramme.htm (458 words)

	Clear Skies On Demand - an astronomy blog
		Between Mare Frigoris and Mare Imbrium the dark lava flooded floor of the crater Plato really stands out from its surroundings.
		The three very bright (young) craters Tycho, Copernicus and Aristarchus really jump out at you.
		The crater rays of Tycho and Copernicus are a wonderful sight, even through 7x50's.
	www.backyard-astro.com /blog/index.php/id=C10_2_1/P48 (2033 words)

	Lunar Certificate
		This projects was designed for those who want to move beyond the simple observing stages.
		In completing the Certificate, you will observe not just 'craters and maria', but also sinuous rilles and volcanoes, flooded craters and secondary craters, arcuate rilles and mare ridges.
		Craters result from meteorites that strike the lunar surface at velocities of:
	amlunsoc.org /lunar_certificate.htm (2947 words)

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